Finding the Fourth Proportional to 327,928.53, 490,781.79 and 201,648.78
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Solution
The fourth proportional to 327,928.53, 490,781.79 and 201,648.78 is: 301,789.99
Step by Step Solution
- Step 1: Write the proportion equation
327,928.53 : 490,781.79 = 201,648.78 : x - Step 2: Convert to fraction form
327,928.53/490,781.79 = 201,648.78/x - Step 3: Cross multiply
327,928.53x = 490,781.79 × 201,648.78 - Step 4: Simplify right side
327,928.53x = 98,965,549,199.72 - Step 5: Solve for x
x = 98,965,549,199.72/327,928.53 - Step 6: Final answer
x = 301,789.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.